Q: Dab tsi yog cov phab ntsa tuab rau API 5L X70 hauv cov kav dej sab nrauv?
A: Phab ntsa thickness sib txawv los ntawm kev tsim, tab sis muaj ntau yam yog 0.5 mus rau 1.5 nti (12.7 mus rau 38.1 hli) rau cov kav dej sab nrauv.
Q: Dab tsi yog cov ntsiab lus chromium hauv ASTM A335 P11?
A: ASTM A335 P11 muaj 1.00-1.50% chromium.
Q: Ua li cas ASTM A335 P91 piv rau P22 hauv siab -qhov kub thiab txias?
A: P91 muaj zog nkag siab dua vim yog 9% chromium thiab molybdenum, thaum P22 (2.25% chromium) yog siv rau qhov kub thiab txias; P91 yog haum rau 1200℃F (649 degree).
Q: Kev kho cua sov dab tsi yuav tsum tau ua rau ASTM A335 P5?
A: ASTM A335 P5 (5% chromium) feem ntau yog normalized thiab tempered kom ua tau raws li qhov xav tau txhua yam khoom.
Q: Dab tsi yog qhov corrosion kuj ntawm ASTM A312 TP316 hauv chloride ib puag ncig?
A: TP316 muaj cov tshuaj chloride zoo dua li TP304 vim yog 2-3% molybdenum ntxiv, ua rau nws tsim nyog rau cov dej hiav txwv thiab tshuaj lom neeg.
